A special kind of idiot who uses labels as a substitute for comprehension.

There's no derogatory label for people who label others. This creates an imbalance in the linguistic arsenal. Example:

Person 1: "If you don't watch sports, you're a racist."

Person 2: "Oh yeah? Well, you're...a...person who assigns labels that are not sensible!"

See what I mean? It's like being in a stick fight and not having a stick. But we can fix that by concocting a...wait for it...label for labelers. I suggest that such a person be called a labelass. Example:

A special kind of idiot who uses labels as a substitute for comprehension

There's no derogatory label for people who label others. This creates an imbalance in the linguistic arsenal. Example:

Person 1: "If you don't watch sports, you're a racist."

Person 2: "Oh yeah? Well, you're...a...person who assigns labels that are not sensible!"

See what I mean? It's like being in a stick fight and not having a stick. But we can fix that by concocting a...wait for it...label for labelers. I suggest that such a person be called a labelass. Example: